Defence

Zentech has over the years carried out a number of projects for the Defence industry. In particular, the Company worked closely with DSTL for a number of years to develop the concept of three-dimensional J-Integral and ‘Energy rate release’ at a crack tip by creating a 3-D finite element mesh to predict crack propagation rate and estimation of residual life in structural components.

Between 2009 – 2016, Zentech performed a number of Structural Integrity studies to assess the safety of transport and combat vehicles (AFV) for DSTL, Physical Protection Group based at Porton Down, Salisbury, a part of MoD. Tasks involved fatigue crack growth simulations of zones around wheel station castings and roller brackets under various cyclic and accidental loads scenarios in order to develop condemnation criteria based on the residual strength.

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